CN211904115U - Device for measuring inclination and dip angle of building - Google Patents
Device for measuring inclination and dip angle of building Download PDFInfo
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- CN211904115U CN211904115U CN202020927350.3U CN202020927350U CN211904115U CN 211904115 U CN211904115 U CN 211904115U CN 202020927350 U CN202020927350 U CN 202020927350U CN 211904115 U CN211904115 U CN 211904115U
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- gravity ball
- sensitive resistor
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Abstract
The utility model relates to the technical field of building monitoring, and provides a device for measuring building inclination and dip angle, which comprises a bottom plate, a gravity ball and a force-sensitive resistor; the bottom plate is provided with a supporting plane on which the gravity ball is placed; at least three force sensitive resistors are uniformly distributed on the circumference of the gravity ball; the force sensitive resistor is fixedly connected with the bottom plate; each force sensitive resistor is provided with an induction surface which is in contact with the spherical surface of the gravity ball, and the induction surface is vertical to the supporting plane; the normal line perpendicular to the sensing surface is made at the position where the sensing surface passing through the force-sensitive resistor is contacted with the spherical surface of the gravity ball, and the normal line passes through the spherical center of the gravity ball. During measurement, the resistance change condition of each force-sensitive resistor can be measured only by one universal ammeter with the function of measuring the resistance, and the inclination angle of a building are obtained by analyzing the resistance change condition of the force-sensitive resistor.
Description
Technical Field
The utility model belongs to the technical field of building monitoring technique and specifically relates to a measure device at building tendency and inclination.
Background
In the field of building, after a building is built, the building is often influenced by uneven settlement of a foundation, precipitation, earthquake, surrounding construction disturbance and the like to tilt, and the inclination and dip angle of the building are important parameters for evaluating the structural safety of the building, wherein the inclination refers to the tilt direction of the building, and the dip angle refers to the tilt angle of the building.
Currently, the methods for measuring the inclination and dip of a building are: and setting a settlement observation target on the building, regularly observing the settlement observation target by erecting a professional settlement observation device, and further analyzing information such as an inclination angle, a tendency and the like of the building according to settlement observation data. However, this method is troublesome and requires a large amount of labor and equipment.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a device at measurement structure inclination and inclination is provided to reduce the input of manual work and equipment.
The utility model provides a technical scheme that its technical problem adopted is: the device for measuring the inclination and dip angle of the building comprises a bottom plate, a gravity ball and a force-sensitive resistor; the bottom plate is provided with a supporting plane on which the gravity ball is placed;
at least three force sensitive resistors are uniformly distributed on the circumference of the gravity ball; the force sensitive resistor is fixedly connected with the bottom plate; each force sensitive resistor is provided with an induction surface which is in contact with the spherical surface of the gravity ball, and the induction surface is vertical to the supporting plane;
the normal line perpendicular to the sensing surface is made at the position where the sensing surface passing through the force-sensitive resistor is contacted with the spherical surface of the gravity ball, and the normal line passes through the spherical center of the gravity ball.
Further, the device also comprises a shell; the shell is of a bottom opening structure; the bottom of the shell is fixedly connected with the bottom plate; the gravity ball and the force sensitive resistor are positioned in a space enclosed by the shell and the bottom plate.
Furthermore, a through hole is formed in the bottom plate; the lead on the force-sensitive resistor passes through the through hole.
Further, the bottom of the shell is hermetically connected with the bottom plate through sealant; and a sealant is arranged between the lead and the through hole.
Furthermore, four force-sensitive resistors are uniformly distributed on the periphery of the gravity ball.
Further, the bottom plate is rectangular, square or circular.
Furthermore, the force sensitive resistor is connected with the bottom plate through the base.
The utility model has the advantages that: the utility model discloses the device at measurement building inclination and inclination through setting up gravity ball and the force sensing resistor of mutually supporting, when measuring, only needs an omnipotent ammeter that has the measuring resistance function, with regard to the resistance variation situation of measurable quantity each force sensing resistor, and then obtains the inclination and the inclination of building through the resistance variation situation of analysis force sensing resistor. Compared with the prior art, the operation is convenient and quick, professional settlement observation equipment does not need to be erected, and the investment of manpower and equipment is small.
Drawings
In order to more clearly illustrate the technical solution in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below; it is obvious that the drawings in the following description are only some embodiments of the invention, and that for a person skilled in the art, other drawings can be derived from them without inventive effort.
FIG. 1 is a schematic structural diagram of an apparatus for measuring inclination and declination of a structure according to an embodiment of the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is another schematic structural diagram of the device for measuring inclination and dip of a building according to an embodiment of the present invention.
The reference numbers in the figures are: 1-bottom plate, 2-gravity ball, 3-force sensitive resistor, 4-supporting plane, 5-sensing surface, 6-shell, 7-through hole, 8-lead and 9-base.
Detailed Description
The present invention will be further explained with reference to the drawings and examples. It should be noted that the embodiments and features of the embodiments of the present invention may be combined with each other without conflict.
As shown in fig. 1 and 2, the device for measuring the inclination and dip angle of a building according to the embodiment of the present invention includes a bottom plate 1, a gravity ball 2 and a force-sensitive resistor 3; the bottom plate 1 is provided with a supporting plane 4, and the gravity ball 2 is placed on the supporting plane 4; at least three force sensitive resistors 3 are uniformly distributed on the periphery of the gravity ball 2; the force sensitive resistor 3 is fixedly connected with the bottom plate 1; each force sensitive resistor 3 is provided with a sensing surface 5 which is in contact with the spherical surface of the gravity ball 2, and the sensing surface 5 is vertical to the supporting plane 4; the normal perpendicular to the sensing surface 5 is made at the position where the sensing surface 5 passing through the force-sensitive resistor 3 contacts with the spherical surface of the gravity ball 2, and the normal passes through the center of the gravity ball 2.
For convenience of description, the terms "upper" and "lower" are used in the same direction as the upper and lower directions of the drawings, but do not limit the structure of the present invention.
As shown in fig. 1, the base plate 1 is horizontally disposed, the upper surface and the lower surface of the base plate 1 are both flat surfaces, and the upper surface of the base plate 1 constitutes a support plane 4. The gravity ball 2 is spherical, and may be a hollow sphere or a solid sphere, and is not limited herein. The gravity ball 2 is placed on a support plane 4, which is supported by the bottom plate 1.
The force sensitive resistor 3 is a special element capable of converting mechanical force into electrical signal, and is made by using piezoresistive effect of semiconductor material, i.e. the resistance value changes with the magnitude of applied force. At least three force sensitive resistors 3 are uniformly distributed on the circumference of the gravity ball 2, and the sensing surface 5 of each force sensitive resistor 3 is in contact with the spherical surface of the gravity ball 2; like this not only accessible force sensing resistor 3 carries on spacingly to gravity ball 2, prevents that gravity ball 2 from removing, and when bottom plate 1 slope moreover, gravity ball 2 produces pressure to force sensing resistor 3's response face 5 under the effect of gravity, and then makes force sensing resistor 3's resistance change. According to the relationship between the resistance value of the force-sensitive resistor 3 and the pressure, the pressure acting on the force-sensitive resistor 3 can be obtained. The embodiment of the utility model provides an in force sensing resistance 3 can adopt the product among the prior art, directly purchase on the market, the preferred force sensing resistance 3 who adopts high sensitivity. Because the mutual conversion relation of the resistance and the pressure of the force-sensitive resistor 3 is different because of the type and the model of the force-sensitive resistor 3, therefore, the utility model discloses in not limiting its mutual conversion relation.
The sensing surface 5 of the force-sensitive resistor 3 is arranged perpendicular to the supporting plane 4, and the normal line perpendicular to the sensing surface 5 is made at the position where the sensing surface 5 passing through the force-sensitive resistor 3 is contacted with the spherical surface of the gravity ball 2 and passes through the center of the gravity ball 2; therefore, the sensing surface 5 of the force sensitive resistor 3 can be ensured to be contacted with the great circle of the spherical surface of the gravity ball 2, and when the bottom plate 1 is inclined, the pressure of the gravity ball 2 on the sensing surface 5 is ensured to pass through the spherical center of the gravity ball 2 and be vertical to the sensing surface 5 of the force sensitive resistor 3.
As a preferred embodiment, as shown in fig. 2, four force sensitive resistors 3 are uniformly distributed around the gravity ball 2. The working principle of the device for measuring the inclination and dip angle of the building according to the above embodiment is described with reference to fig. 1 and 2:
1. first, a reference plane is provided on the building, which is parallel to the horizontal plane when the building is not tilted. The base plate 1 is then placed or mounted on the building structure with the support plane 4 of the base plate 1 parallel to the reference plane.
2. Then, the universal electric meter with the function of measuring the resistance is sequentially connected with the lead 8 of each force-sensitive resistor 3, and the resistance change condition of each force-sensitive resistor 3 is measured; and obtaining the pressure acting on each force-sensitive resistor 3 according to the relationship between the resistance value of the force-sensitive resistor 3 and the pressure.
In the first case: when the resistance value of only one force sensitive resistor 3 changes, it indicates that only one force sensitive resistor 3 is stressed, and the direction of the force sensitive resistor 3 is the inclined direction of the building. At this time, the inclination angle of the building is calculated according to the formula (1):
f＝G×sinθ (1)
wherein, f is the stress of the force-sensitive resistor 3 when only one force-sensitive resistor 3 is stressed; g is the gravity of the gravity ball 2; theta is the angle of inclination of the building.
The gravity of the gravity ball 2 is calculated according to the formula (2):
G＝mg (2)
wherein m is the mass of the gravity ball 2; g is the acceleration of gravity at which the gravity ball 2 is located.
In the second case: when the resistance values of the two force-sensitive resistors 3 change, it is indicated that the two force-sensitive resistors 3 are stressed, the resultant force calculation needs to be carried out on the pressures acting on the two force-sensitive resistors 3, and the direction of the calculated resultant force is the inclination direction of the building. At this time, the inclination angle of the building is calculated according to the formula (3):
Fcombination of Chinese herbs＝G×sinθ (3)
Wherein, FCombination of Chinese herbsFor the resultant force, G is the gravity of the gravity ball 2, and θ is the tilt angle of the building.
The resultant force is calculated according to equation (4):
wherein f is1、f2When two adjacent force-sensitive resistors 3 are stressed, the stress of each force-sensitive resistor 3 is large or small.
The utility model discloses the device at measurement building inclination and inclination through setting up gravity ball 2 and the force sensing resistor 3 of mutually supporting, when measuring, only needs an omnipotent ammeter that has the measuring resistance function, with regard to the resistance variation condition of measurable quantity each force sensing resistor 3, and then obtains the inclination and the inclination of building through the resistance variation condition of analysis force sensing resistor 3. Compared with the prior art, the operation is convenient and quick, professional settlement observation equipment does not need to be erected, and the investment of manpower and equipment is small.
The device for measuring the inclination and the inclination angle of the building structure of the embodiment of the utility model needs to adjust the supporting plane 4 on the bottom plate 1 to make the supporting plane 4 parallel to the reference surface when measuring each time; when a certain building needs to be measured regularly for a long time, not only is the operation troublesome, but also operation errors are accumulated when the bottom plate 1 is adjusted every time, and the errors of final measurement data are large.
Therefore, in order to reduce the accumulated operation error and improve the accuracy of multiple times of measurement data, the bottom plate 1 can be directly fixed with a building or embedded in the building, so that the position of the bottom plate 1 only needs to be adjusted when the bottom plate is installed for the first time, and the position of the bottom plate 1 does not need to be adjusted again during subsequent measurement. In this case, in order to avoid the external environment from interfering with the gravity ball 2 and the force sensitive resistor 3, as a preferred embodiment, as shown in fig. 3, the present invention further includes a housing 6; the shell 6 is of an open-bottom structure; the bottom of the shell 6 is fixedly connected with the bottom plate 1; the gravity ball 2 and the force sensitive resistor 3 are positioned in a space enclosed by the shell 6 and the bottom plate 1. The gravity ball 2 and the force sensitive resistor 3 are protected by arranging the shell 6, the gravity ball 2 and the force sensitive resistor 3 are prevented from being interfered by the external environment, and the reliability of the whole device and the accuracy of measured data are improved.
The lead 8 of the force-sensitive resistor 3 can extend from the gap between the housing 6 and the base plate 1 to the outside of the space enclosed by the housing 6 and the base plate 1. In a preferred embodiment, the bottom plate 1 is provided with a through hole 7; the lead wire 8 of the force-sensitive resistor 3 passes through the through hole 7. Further, the bottom of the shell 6 is hermetically connected with the bottom plate 1 through sealant; and a sealant is arranged between the lead 8 and the through hole 7, so that dust, rainwater and the like can be prevented from entering a space enclosed by the shell 6 and the bottom plate 1, and the reliability of the whole device and the accuracy of measured data are improved.
The base plate 1 may be rectangular, square, circular, etc., and is not particularly limited herein. As shown in fig. 3, the housing 6 includes a top plate and a circle of side plates disposed below the top plate, the bottom of the side plates is hermetically connected to the bottom plate 1 through a sealant, and the top of the side plates is hermetically connected to the top plate through a sealant. The shape and size of the top plate should be adapted to the shape and size of the bottom plate 1. Preferably, the distance between the lower surface of the top plate and the upper surface of the bottom plate 1 is slightly larger than the diameter of the gravity ball 2.
The installation height of the force-sensitive resistor 3 on the bottom plate 1 is related to the size of the gravity ball 2, and the installation height of the force-sensitive resistor 3 is different according to the different radiuses of the gravity ball 2; for example, the force-sensitive resistor 3 may be directly fixedly connected to the upper surface of the base plate 1, or may be fixedly connected to the upper surface of the base plate 1 through an intermediate medium. As shown in fig. 1 and 3, in a preferred embodiment, the force-sensitive resistor 3 is connected to the base plate 1 via a base 9. Further, the force sensitive resistor 3 is connected with the base 9 through gluing, and the base 9 is connected with the upper surface of the bottom plate 1 through gluing.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. The device for measuring the inclination and dip angle of the building is characterized by comprising a bottom plate (1), a gravity ball (2) and a force-sensitive resistor (3); the bottom plate (1) is provided with a supporting plane (4), and the gravity ball (2) is placed on the supporting plane (4);
at least three force sensitive resistors (3) are uniformly distributed on the periphery of the gravity ball (2); the force sensitive resistor (3) is fixedly connected with the bottom plate (1); each force sensitive resistor (3) is provided with a sensing surface (5) which is in contact with the spherical surface of the gravity ball (2), and the sensing surface (5) is vertical to the supporting plane (4);
the normal line perpendicular to the sensing surface (5) is made at the position where the sensing surface (5) passing through the force-sensitive resistor (3) is contacted with the spherical surface of the gravity ball (2), and the normal line passes through the spherical center of the gravity ball (2).
2. The device for measuring the inclination and declination angle of a building according to claim 1, further comprising a housing (6); the shell (6) is of a bottom opening structure; the bottom of the shell (6) is fixedly connected with the bottom plate (1); the gravity ball (2) and the force sensitive resistor (3) are positioned in a space enclosed by the shell (6) and the bottom plate (1).
3. Device for measuring the inclination and tilt angle of a structure according to claim 2, characterized in that said base plate (1) is provided with through holes (7); the lead (8) on the force-sensitive resistor (3) passes through the through hole (7).
4. The device for measuring the inclination and declination angle of a building according to claim 3, characterized in that the bottom of the housing (6) is hermetically connected with the bottom plate (1) by a sealant; and a sealant is arranged between the lead (8) and the through hole (7).
5. The device for measuring the inclination and declination angle of a building according to claim 1, 2, 3 or 4, characterized in that four force-sensitive resistors (3) are uniformly arranged around the circumference of the gravity ball (2).
6. Device for measuring inclination and tilt of a construction according to claim 1, 2, 3 or 4, characterized in that the floor (1) is rectangular, square or circular.
7. Device for measuring the inclination and tilt angle of a structure according to claim 1, 2, 3 or 4, characterized in that said force-sensitive resistor (3) is connected to the base plate (1) by means of a base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020927350.3U CN211904115U (en) | 2020-05-27 | 2020-05-27 | Device for measuring inclination and dip angle of building |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020927350.3U CN211904115U (en) | 2020-05-27 | 2020-05-27 | Device for measuring inclination and dip angle of building |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211904115U true CN211904115U (en) | 2020-11-10 |
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ID=73270342
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020927350.3U Active CN211904115U (en) | 2020-05-27 | 2020-05-27 | Device for measuring inclination and dip angle of building |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211904115U (en) |
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2020
- 2020-05-27 CN CN202020927350.3U patent/CN211904115U/en active Active
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